43 Trails in Flagstaff, Colorado
| Rank | Trail Name | Difficulty | Length (mi) | Rating | City |
|---|---|---|---|---|---|
| 1. | Heil Valley Ranch | Intermediate | 14.0 |    |
Boulder |
| 2. | Valmont Bike Park | Intermediate | 6.0 | |
Boulder |
| 3. | White Ranch | Advanced | 14.0 | |
Golden |
| 4. | North Table Mountain | Intermediate | 10.0 | |
Golden |
| 5. | Hall Ranch | Advanced | 9.0 | |
Lyons |
| 6. | Betasso Preserve | Intermediate | 7.0 | |
Boulder |
| 7. | Walker Ranch | Advanced | 7.0 | |
Boulder |
| 8. | Golden Gate Canyon State Park | Advanced | 35.0 | |
Golden |
| 9. | Marshall Mesa Area | Beginner | 16.0 | |
Boulder |
| 10. | Picture Rock Trail (Heil Valley Ranch) | Intermediate | 11.0 | |
Lyons |
| 11. | Maryland Mountain | Advanced | 12 | |
Black Hawk |
| 12. | Wapiti Trail (Heil Valley Ranch) | Intermediate | 5.0 | |
Boulder |
| 13. | South Saint Vrain | Advanced | 10.0 | |
Ward |
| 14. | Dirty Bismarck | Easiest | 10.0 | |
Superior |
| 15. | Standley Lake | Beginner | 5.0 | |
Westminster |
| 16. | Mountain Lion Trail (Golden Gate Canyon State Park) | Advanced | 8.0 | |
Black Hawk |
| 17. | Chapman Drive | Intermediate | 3.0 | |
Boulder |
| 18. | Doudy Draw Trail | Beginner | 4.0 | |
Eldorado Springs |
| 19. | Flatirons Vista | Beginner | 4.0 | |
Boulder |
| 20. | Spring Brook Loop | Beginner | 5.0 | |
Eldorado Springs |
| 21. | Lobo Trail | Easiest | 18 | |
Longmont to Boulder |
| 22. | Ceran Saint Vrain Loop | Intermediate | 5.0 | |
Jamestown |
| 23. | Coal Creek Trail | Easiest | 10.0 | |
Louisville |
| 24. | Marshall Road Open Spaces | Beginner | 7.0 | |
Superior |
| 25. | High Plains Trail | Beginner | 4.0 | |
Superior |
| 26. | White Rocks Trail | Beginner | 7.0 | |
Lafayette |
| 27. | Meyers Homestead Trail (Walker Ranch) | Beginner | 5.0 | |
Boulder |
| 28. | CU Dirt Jumps | Beginner | 1.0 | |
Boulder |
| 29. | Coalton Trail | Beginner | 6.0 | |
Superior |
| 30. | Boulder Valley Ranch | Beginner | 7.0 | |
Boulder |
| 31. | Ponderosa Loop (Heil Valley Ranch) | Intermediate | 3.0 | |
Boulder |
| 32. | Colorado Hills Trail | Beginner | 6.0 | |
Westminster |
| 33. | Community Ditch | Easiest | 8.0 | |
Eldorado Springs |
| 34. | Greenbelt Plateau | Beginner | 3.0 | |
Superior |
| 35. | Rattlesnake Gulch | Advanced | 4.0 | |
Boulder |
| 36. | East Boulder Trail | Easiest | 4.0 | |
Louisville |
| 37. | Bald Mountain Trail | Beginner | 1.0 | |
Boulder |
| 38. | Davidson Mesa | 4.0 | |
Louisville | |
| 39. | Bunce School Road To T33 Crash Site | 14.0 | |
Allenspark | |
| 40. | Van Bibber Park | 6.0 | |
Arvada | |
| 41. | Bon Scott | 23.0 | |
Boulder | |
| 42. | St Vrain River Trail | 23.0 | |
Longmont | |
| 43. | St Vrain River Trail | 23.0 | |
Longmont |
Know of a new mountain bike trail not listed here? Please tell us about it using this form. Find mountain bike trails near you or for even more trail inspiration and how we ranked the mountain bike trails, see this list of the best mountain bike trails in the world.
